For those learning it as a second language, remembering a long list of irregular plurals (like mice or children) or inconsistent pronunciations (rough, though, bough) can be a daunting task.

English is full of irregular plural forms based on Latin and Greek. They can be confusing (apparatus? apparati? apparatuses?). They can be fun (the brothers Winklevii! and the flying Elvii!

But in this game, puzzle guru Art Chung sends poor "i" to the ends of words, by quizzing contestants on irregular plurals, like "octopi." MIKE BLEJER: Hi. EISENBERG: Hi to both of you. Anna ...

Save guides, add subjects and pick up where you left off with your BBC account. Most plural nouns follow this simple rule and these words are easy to spell. Remember that adding an apostrophe ‘s ...

Are you up to the challenge for more quizzes? Here are a few you MUST try!